#4091C7#4091C7

#4091C7 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.0% C 0.113 H 241.1°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4091C7
RGB	rgb(64, 145, 199)
HSL	hsl(204, 55%, 52%)
HSV	hsv(204, 68%, 78%)
CMYK	cmyk(67.8%, 27.1%, 0%, 22%)
CIE-LAB	lab(57.52, -7.40, -35.13)
CIE-LCH	lch(57.52, 35.90, 258.10°)
OKLab	oklab(63.02% -0.0547 -0.099)
OKLCH	oklch(63.02% 0.113 241.1)
XYZ	xyz(22.5446, 25.4619, 57.7483)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091C7 #C77640

analogous

#40C7BA #4091C7 #404EC7

triadic

#4091C7 #C74091 #91C740

tetradic

#4091C7 #BA40C7 #C77640 #4EC740

square

#4091C7 #BA40C7 #C77640 #4EC740

split-complementary

#4091C7 #C7404E #C7BA40

monochromatic

#204E6D #2E709C #4091C7 #6FACD5 #9FC8E3

Accessibility & contrast

On white

3.45

#4091C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#4091C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091C7

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091C7	#FFFFFF	#000000	##000000
##4091C7	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7891C9

Deuteranopia (green-blind)

#6684C6

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4091c7;
/* rgb */ color: rgb(64, 145, 199);
/* oklch */ color: oklch(63.0% 0.113 241.1);

Tailwind

colors: {
  custom: {
    50: '#84b1d8',
    500: '#4091c7',
    950: '#000000',
  },
}

SCSS

$custom: #4091c7;
$custom-light: #84b1d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4091c7",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 199
  },
  "hsl": {
    "h": 204,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.63017,
    "c": 0.11312,
    "h": 241.1
  },
  "luminance": 0.25464
}

Semantic roles & 50–950 ramp

primary

#4091C7

secondary

#CFAB94

accent

#854ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4091C7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →